HS Code for Carbon steel fittings
Carbon steel fittings are classified under HS code 7307.99, which serves as the residual category for tube or pipe fittings made of iron or non-alloy steel that are not specifically named elsewhere in the 7307 heading. The classification process follows the General Rules of Interpretation (GRI) 1 and 6. Heading 7307 is structured to first distinguish between cast fittings (7307.11/19) and non-cast fittings. For non-cast items, the system differentiates between stainless steel and other types of steel. Carbon steel, defined as iron or non-alloy steel with a carbon content typically below 1.2% and lacking the 10.5% chromium required for stainless steel, falls into the "other" sub-category. Within this section, specific codes exist for flanges (7307.91), threaded elbows/bends (7307.92), and butt-welding fittings (7307.93). Consequently, 7307.99 is used for all other non-cast carbon steel fittings, such as socket-weld fittings (excluding elbows), couplings, sleeves, and non-threaded caps. These components are essential in industrial piping for oil, gas, and water systems where high-strength carbon steel is required but the corrosion resistance of stainless steel is not necessary.
Products Included
- Carbon steel couplings and sleeves
- Socket-weld unions and tees (non-threaded)
- Carbon steel pipe caps and plugs (non-threaded)
- Forged carbon steel branch outlets
- Non-alloy steel pipe nipples (non-threaded)
Common Misclassification
A frequent error is classifying these items under 7307.29, which is reserved for stainless steel fittings. The distinction depends on the chromium content; if it is 10.5% or more, it must move to the stainless category. Another common mistake is using 7307.19, which is for cast iron or cast steel fittings. Fittings that have been forged, machined, or cold-worked after casting, or those made from bar stock, belong in 7307.99. Additionally, threaded elbows are often incorrectly placed here instead of 7307.92.
FAQ
What is the HS code for Carbon steel fittings?
The HS code for carbon steel fittings that are not flanges, threaded elbows, or butt-welding fittings is 7307.99.
Does this code include alloy steel fittings?
Yes, 7307.99 includes fittings made of other alloy steel (excluding stainless), provided they are not cast and do not meet the specific descriptions of the other subheadings in 7307.
Industry
Frequently Asked Questions
What is the HS code for Carbon steel fittings?
The HS code for Carbon steel fittings is 730799 (Iron or steel; tube or pipe fittings, n.e.c. in item no. 7307.9, other than stainless steel).
How do I classify Carbon steel fittings for customs?
Carbon steel fittings is classified under HS code 730799 — Iron or steel; tube or pipe fittings, n.e.c. in item no. 7307.9, other than stainless steel. This is a 6-digit subheading level code.
Is the HS code for Carbon steel fittings the same in all countries?
The base HS code 730799 for Carbon steel fittings is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.